Home / 840,853.77-1,260,530.66-308,250.45

Finding the Fourth Proportional to 840,853.77, 1,260,530.66 and 308,250.45

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Solution

The fourth proportional to 840,853.77, 1,260,530.66 and 308,250.45 is: 462,100.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,853.77 : 1,260,530.66 = 308,250.45 : x
  2. Step 2: Convert to fraction form
    840,853.77/1,260,530.66 = 308,250.45/x
  3. Step 3: Cross multiply
    840,853.77x = 1,260,530.66 × 308,250.45
  4. Step 4: Simplify right side
    840,853.77x = 388,559,141,642.55
  5. Step 5: Solve for x
    x = 388,559,141,642.55/840,853.77
  6. Step 6: Final answer
    x = 462,100.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.